1230547501 has 2 divisors, whose sum is σ = 1230547502. Its totient is φ = 1230547500.

The previous prime is 1230547453. The next prime is 1230547537. The reversal of 1230547501 is 1057450321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1164515625 + 66031876 = 34125^2 + 8126^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230547501 - 2¹¹ = 1230545453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1230547501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231547501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615273750 + 615273751.

It is an arithmetic number, because the mean of its divisors is an integer number (615273751).

Almost surely, 2^1230547501 is an apocalyptic number.

It is an amenable number.

1230547501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230547501 is an equidigital number, since it uses as much as digits as its factorization.

1230547501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1230547501 is about 35079.1604945158. The cubic root of 1230547501 is about 1071.6002204088.

Adding to 1230547501 its reverse (1057450321), we get a palindrome (2287997822).

The spelling of 1230547501 in words is "one billion, two hundred thirty million, five hundred forty-seven thousand, five hundred one".